Bluetooth Headset,MARSEE Wireless Earphones Sport Earbuds Headsets (Bluetooth 4.1, Build-in Mic, aptX, CVC 6.0 Noise-Cancelling) for Any Bluetooth Enabled Device Full featured & one of a kind stylish ergonomic compact and sleek design that turns the headset into a wearable fashion statement with state-of-the-art premium audio driver to deliver Hi-Fi potent base, crystal clear calls, and HD dynamic Stereo music listening experiences Ultra lightweight on the ears with heavy sound response to provide maximum performance, portability, comfort, and mobility. Cord holder makes it ideal for casual or sports active users with indoor and outdoor usage, or any other occasions. Universal Bluetooth 4.1 (backward compatible) wireless technology w/ Multi-Point Connection Technology supports simultaneous pairing to two Bluetooth enabled devices at once including iPhones, iPods, iPad, smartphones, Android, tablets, laptop, computer, MP3 media players, and much more. A2DP technology, Clear Voice Capture CVC 6.0, for enhanced call clarity and music streaming.Long battery life,built-in high performance polymer 80mAh battery, up to 6 hours talking/playing time, and about 175 hours standby time. Handsfree,Good for sporting,dual,high-performance mics deliver superb noise cancellation,so calls come in crystal clear.You just need to press on button.Fully sweat-proof: with functional user interface, in-ear heaphones design, and a 10-meter working distance, our headphones will let you enjoy music through a variety of activities.